Driving means for talking-machines.



HQR. VAN n'EvENEm 'DRIVING MEANS rjo TALKING lwAcui-Nes.v

. l APPLICATIQN FILED OCT. 12., 15H4.l 1,2625415.

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EARRY'NANDOLPH VAN DEVENTER, or sUM'rE'E, sourir CAROLINA, AssIGNOE 'roSPLITDORE ELECTRICAL COMPANY, or NEWARK, NEW JERSEY, A CORPORATION O'ENEW JERSEY.

DRIVING MEANS non TALKING-MACHINES. l

' Speeication of Letters Patent. Patented Aplkgplills.

.Applicationled October 12e 1914. `Serial No. 866,270.

i v To all wom t may concern.' l

Be it known thatl I, HARRY RANDOLPH.

; VAN .DEvEN'rEm a citizen .of the United States, residing at Sumter, inthe county of Sumter fand State of -South Carolina, have 1 invented-certain new and useful Improvechilies, of'whichthe following is aspecica-- ments in Driving Means for'JTalking-Mation, reference beinghad to the accompanying drawing.r

` ing means for ltalking machines and contemplates the provision ofmechanical means that canbegattached to the ordinary' talking machine-lcommonly provided with manual imeansfor winding," whereby withoutIinternuniber of revolutions. i

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wiu ma wind the t vtoo tight.

fermo*with said manual means, the machine T'may--he automatically wound.

,'A'further obJect is to provideatalk-ing `machine withvwi-ndingmeansthat will oper- -v ate when the spindle carrying. lthe sound.

record has made a certain predetermined Another object is to', rovide adevice that fTh'ere are .other objects' ashereinafter .described andclaimed.

' 1n the accompanying figures, Figure 1 is a diagrammatic view partlyinv section of the attachmentsasapplied to a disktalking e' fmachine,suchas the Victrola'.,

Fig. 2, a view ofl the impulse wheelused Vin the control device,'and'Figy 3, a diagram showing how the control of the winding motor mayvbe accomplished. Like gures .ofvreference-V denote the same partswherever they are shown.-" 1

1 denotes the top of the talking machine, and 2 the side thereof. y isavertically prov ljecting -spindleon the-top of which islsupported theItable 4 for the purpose 'of 'holding vvthe sound record 5. Usually 4 isprovided with a flange and clamped to the edge of-this is the member 6having-a projectingpin v7 l adapted to engage the star wheel 8 of thecontrol mechanism 9.

. -flalking machines are :usually provided l with a crank l() which isso connected-to the a Suitable' geef 1.1.7011 @het onielate's toautomatic wind? king machine motor .motori entirely taken oii1 and thegear 11 mounted on a new shaft engaging-the winding mecha-v msm in placeof the crank.

Meshed with 11 is a suitable gear 12' con- 4 nected to an electric motor13.l 12 may be directly on the shaft of 13 or interposed between themotor and gear maybe any suitable clutch14, to prevent overwinding, as

it isobvious that when the tension of the spring overcomes the frictionof clutch-14, tl1at14 will slip and thereby prevent overwinding orstalling the motor.

The control mechanism 9 mayA be of. anyr suitable character,'either asuitable electric device or a clock work arranged to perform thefollowing functions:

(a) T he number of revolutions that table 4 is to make with one windingof its driving motor having been decided upon, say 500,

the control mechanism is so arranged that.

upon the completion of the aforesaid number'of revolutions, anelectrical. circuit from a suitable'curren't source to which the wires1.5 and 16 lead is closed to the. electric motor 13. (Zi) The electricmotor '13 is permitted to run, thereby rewinding the spring motor. (c)When the spring motor is rewound to a predetermined point, theelectrical circuit through' winding motor 13 is broken.

The' foregoing may .be accomplished in many ways that willsuggestthemselves to those skilled in the artv and for the sake'ofcontrolling mechanism operated-bythe re. volving table 'of a .talkingvmachine and forming 'an attachment thereto, which coni' trols thecircuit to an electric winding Referring to FigJ-,wheell-S is connectedmittingxcurrent toflow overconductor' 16 jto`the shaft 17 provided withla worml8, which is meshed with the gear 19 which c ar- `ries thesegment QO'adapted. to close the v10c circuit betweenbrushes 21 and 22,thus perto brush 21 to segment 20, to brush. 22, 'when resistance 23,through-av vwinding on relay l,the segment isbetween the brushes,.through 'v 2,4 and over conductor 15.- This causes lrelay 24 tocloseits Contact 25 and permit vcurrent 'the circuit being completedover conductor 2 to 16'. It will beobserved that with gear' 19 rotatingin the. direction of the arrow, the brushes 2l and 22 will be connectedto each other while segment 20 is sliding under them. Tl'ielengthofsegment 20 is readily` calculated so that the duration of time duringwhich the current is connected to the motor 13 is just sufficient torewind the spring motor of the talking machine to thesame tension thatit was before table 4- made the 500 revolutionsI before referred to.

Now it niay be possible that instead of the gear 19 coming to rest, s0that brush 22 would be in the space '28, in other words,

so that no current was iiowing, that the device might stop with brushes-2l and 22 in contact, therefore ,l provide a suitable resistance 23 soproportioned that if the current is allowedto' flow through same alongertime' than is approximately necessary for the motor 113 to rewind thespring to the desired point, 23 will heat and thereby its resistanceincrease to the vpointwhere relay 2st will no longer :hold its contactZclosed, and will thereby release its contact and open the circuitthrough the motor.

i/Vhilel have describedand shown one method of controlling the electricmotor, it will be understood that other methods may be used withoutdeparting from the spirit of the' invention as set forth in the appendedclaims.

I am aware that it is oldl to equip talking machines with electricallydriven winding motors, but I claim as new the controlling device andelectric motor attachn'ient herein described, both of which maybereadily attached -to talking machines already in for controllingtheoperation cf the electric motor, whereby Lsaid electric motorautomatically maintains said motor Wound. i

2. An attachment for spring motor operated talking machines of themotorv inspring closed type including in combination, an inclosedelectric motor locatedI outside of the casing of the talking machine,driving connections between the electric motor and the normal springWinding shaft, and controlling means located. outside ofthe casing and loperated by a movable-part of the talking machine normally outside ofthe easing for nacaeie rated talking machines including in com-.bination, an inclosed electric motor attached to the outside of thecasing of the talking machine, driving vconnections 'between theelectric motor and the 'spring winding mechanism, controlling meansoperated by a 'moving part of the vtalking machine ,for completing thecircuit to cause the electric motor to wind the machine, and means forstopping vthe motor to prev'ent overwniding provided the talking machinestops with the circuit completed.v

4. An attachment for-sprii'ig motor operated talking machines includingin ,combination, an inclosed electric motor attached to the outside ofthe casing of the talking machine, and driving connections'between theelectric motor and the spring winding mechanism, said drivingconnections including a friction clutch adapted to slip to preventoverwiiiding of the talking niachine, controlling means operated b vamoving part of the talking machine for completing the circuit to causethe electric irotor to wind the machine, and means for stopping" themotor to prevent overwinding provitled the talking machine stops withthe circuit completed.

An attachment for spring motor operated talking machines including incombination, an inclosed electricmotor attached to theoutside ofp thecasing of the talking machine, driving connections between the electricmotor and the spi-in winding mechanism, and inclosed controlling meansoperated b v the rotating table ofthe talking machine for completing thecircuit'to cause the electric inotor to wind the machine.

(i. An attachn'ient for spring motor operated talking machines includingin com- .binatioin an inclosed electric motor attached to tl e outsideof the casing ofthe talking machine, driving connections between theelectric motor and the spring winding mech .anism, andinclosedcontrolling means opeiated by the rotating table of the talking machinefor completing the circuit to cause the electric motor to wind themachine, said lcontrolling means also operating to .break the 'circuitto stop the electric motor afterA a predetern'iined number ofrevolutions of the table. t

7. An attachment forspring motor operated. talking machines including incombination, an inclosed electric motor attached to the outside of thecasing of the talking machine, driving connections between the elec tricmotor and the spring winding mecha msm, inclosed controlling meansoperated by the rotating table of the talking machine for completing thecircuit to cause the elecin circuit' with the relay, said resistance' Ioperating to Open the relay to prevent overwinding-provided the tablestops with the neeais tric'motor towind the machine, and means' forstopping the motor to prevent overwinding provided the table sto-ps withthe circuit 'completedv 1 .tric moto-r and the springwinding mechae,nism, inclosed controlling means operated by the rotating table of thetalking machine for completing the circuit to cause the elec-- tricmotor to wind the machine, said controlling'means also operating tobreak the circuitto stop theelectric motor 'after a predetermined numberof revolutions of theta'ble, and means for 'stopping the motor toprevent cverwinding vprovided the table stops with the circuit'completed.

9. An attachment for .spring motor operated talking machines includingin combinal tion, an 'inclosed electric motorlattached to the outside ofthe casing of the'talkingv maj chine,.driving connections betweentheelectric motor and the spring winding mecha# nism,inclosed-,controllmg means operated f by the rotating table of thetalking 'machine ated talking machines including in combinaforcompleting the circuit to. cause "the elec- .30

tric motor to wind the machine, a relay,

motor 'provided the table stops with the circuit completed. v

.10. An attachment for spring motor oper tion, an inclosed-electricVmotor attachedA to theoutside of the casing ofthe talking'machine,driving connections between thei electric motor andl the spring windingmechanism, inclosed cont'rollm-g means operatedby the rotating' table ofthe talking machine for completing the circuit to cause the elec-l tricmotor to wind the machine, a relay, contacts controlled `thereby, and aresistance circuit completed. .n

The combination with driving means for-ca talking machine including aspring motor, of an electric motor, dri-ving connections. between ytheelectric motor and the Vspring motor vfor winding the spring, motor,

controlling means V'operated by a moving part of the talking machine'forcompleting the' circuit-to cause the electric' motor to wind the1nachine,-and means for :stopping the motor to prevent overwindingprovided.

.the talking machine stops with thecircuit completed.

12. vThe combination with driving means for a talking machine includinga spring motor, of" an electric motor, driving connections between theelectric motor andthe spring motor for: winding the spring motor,

controlling means operated by amoving part of the talking vmachine vforcompleting the circuit to cause the electric motor'to wind the machine,a relay, contacts contrblled thereby, and'means for operating the relayto ,stop the .electric motor to prevent over- Winding provided thetalking machine'stops with the circuit completed. j j

13. The combination with driving ,means for a. talking 4machinevincluding a springmotor, 01"' an electric motor,'driving connectionsbetweenthe electric motor and the spring motor for winding the springinocontacts controlled thereby, and meansroper- .ated to open the relayto stop the electrictor', -said drivingconnections including acontrolling means operatedr by a moving part of the talking machine forcompleting the" the 1nachine,' said controlling means 'also` operated tostop the electric motor when .the spring has been rewound. providedthe'oper'- friction clutch vfor preventing overwinding,

`circuit to cause the electric motor to lwind ating machine4 continuesits operation, and

meanszforfstopping 'the electric motor. to prevent loverwinding of thespring provided the talking machine stops with the circuit completed. lv

in testimony whereof I hereunto aiiX my signature in the presenceof twowitnesses. I HARRY RANDLPH VAN DEVENTER.

l/Vitnesses: Y

Enna B. lsLnR, H. RHAM'E.

